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// license:BSD-3-Clause
// copyright-holders:Sandro Ronco
/**********************************************************************
NEC uPD65031 'BLINK' emulation
**********************************************************************/
#ifndef MAME_MACHINE_UPD65031_H
#define MAME_MACHINE_UPD65031_H
#pragma once
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_UPD65031_KB_CALLBACK(_read) \
devcb = &downcast<upd65031_device &>(*device).set_kb_rd_callback(DEVCB_##_read);
#define MCFG_UPD65031_INT_CALLBACK(_write) \
devcb = &downcast<upd65031_device &>(*device).set_int_wr_callback(DEVCB_##_write);
#define MCFG_UPD65031_NMI_CALLBACK(_write) \
devcb = &downcast<upd65031_device &>(*device).set_nmi_wr_callback(DEVCB_##_write);
#define MCFG_UPD65031_SPKR_CALLBACK(_write) \
devcb = &downcast<upd65031_device &>(*device).set_spkr_wr_callback(DEVCB_##_write);
#define MCFG_UPD65031_SCR_UPDATE_CB(_class, _method) \
downcast<upd65031_device &>(*device).set_screen_update_callback(upd65031_screen_update_delegate(&_class::_method, #_class "::" #_method, this));
#define MCFG_UPD65031_MEM_UPDATE_CB(_class, _method) \
downcast<upd65031_device &>(*device).set_memory_update_callback(upd65031_memory_update_delegate(&_class::_method, #_class "::" #_method, this));
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
typedef device_delegate<void (bitmap_ind16 &bitmap, uint16_t sbf, uint16_t hires0, uint16_t hires1, uint16_t lores0, uint16_t lores1, int flash)> upd65031_screen_update_delegate;
typedef device_delegate<void (int bank, uint16_t page, int rams)> upd65031_memory_update_delegate;
#define UPD65031_SCREEN_UPDATE(_name) void _name(bitmap_ind16 &bitmap, uint16_t sbf, uint16_t hires0, uint16_t hires1, uint16_t lores0, uint16_t lores1, int flash)
#define UPD65031_MEMORY_UPDATE(_name) void _name(int bank, uint16_t page, int rams)
// ======================> upd65031_device
class upd65031_device : public device_t
{
public:
// construction/destruction
upd65031_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
template <class Object> devcb_base &set_kb_rd_callback(Object &&cb) { return m_read_kb.set_callback(std::forward<Object>(cb)); }
template <class Object> devcb_base &set_int_wr_callback(Object &&cb) { return m_write_int.set_callback(std::forward<Object>(cb)); }
template <class Object> devcb_base &set_nmi_wr_callback(Object &&cb) { return m_write_nmi.set_callback(std::forward<Object>(cb)); }
template <class Object> devcb_base &set_spkr_wr_callback(Object &&cb) { return m_write_spkr.set_callback(std::forward<Object>(cb)); }
template <class Object> void set_screen_update_callback(Object &&cb) { m_screen_update_cb = std::forward<Object>(cb); }
template <class Object> void set_memory_update_callback(Object &&cb) { m_out_mem_cb = std::forward<Object>(cb); }
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
DECLARE_WRITE_LINE_MEMBER( flp_w );
DECLARE_WRITE_LINE_MEMBER( btl_w );
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
private:
inline void interrupt_refresh();
inline void update_rtc_interrupt();
inline void set_mode(int mode);
static const device_timer_id TIMER_RTC = 0;
static const device_timer_id TIMER_FLASH = 1;
static const device_timer_id TIMER_SPEAKER = 2;
devcb_read8 m_read_kb;
devcb_write_line m_write_int;
devcb_write_line m_write_nmi;
devcb_write_line m_write_spkr;
upd65031_screen_update_delegate m_screen_update_cb; // callback for update the LCD
upd65031_memory_update_delegate m_out_mem_cb; // callback for update bankswitch
int m_mode;
uint16_t m_lcd_regs[5]; // LCD registers
uint8_t m_tim[5]; // RTC registers
uint8_t m_sr[4]; // segment registers
uint8_t m_sta; // interrupt status
uint8_t m_int; // interrupts mask
uint8_t m_ack; // interrupts acknowledge
uint8_t m_tsta; // timer interrupt status
uint8_t m_tmk; // timer interrupt mask
uint8_t m_tack; // timer interrupts acknowledge
uint8_t m_com; // command register
int m_flash; // cursor flash
int m_speaker_state; // spkr line
// timers
emu_timer *m_rtc_timer;
emu_timer *m_flash_timer;
emu_timer *m_speaker_timer;
};
// device type definition
DECLARE_DEVICE_TYPE(UPD65031, upd65031_device)
#endif // MAME_MACHINE_UPD65031_H
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